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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "chipset.h"
#include "common.h"
#include "console.h"
#include "driver/retimer/pi3dpx1207.h"
#include "driver/retimer/ps8802.h"
#include "driver/retimer/ps8818.h"
#include "driver/usb_mux/amd_fp5.h"
#include "fan.h"
#include "fan_chip.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "ioexpander.h"
#include "ioexpander_nct38xx.h"
#include "timer.h"
#include "usb_mux.h"
#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args)
#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args)
/*****************************************************************************
* IO expander
*/
struct ioexpander_config_t ioex_config[] = {
[USBC_PORT_C0] = {
.i2c_host_port = I2C_PORT_TCPC0,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
},
[USBC_PORT_C1] = {
.i2c_host_port = I2C_PORT_TCPC1,
.i2c_slave_addr = NCT38XX_I2C_ADDR1_1_FLAGS,
.drv = &nct38xx_ioexpander_drv,
},
};
BUILD_ASSERT(ARRAY_SIZE(ioex_config) == USBC_PORT_COUNT);
BUILD_ASSERT(CONFIG_IO_EXPANDER_PORT_COUNT == USBC_PORT_COUNT);
/*****************************************************************************
* Fan
*/
/* Physical fans. These are logically separate from pwm_channels. */
const struct fan_conf fan_conf_0 = {
.flags = FAN_USE_RPM_MODE,
.ch = MFT_CH_0, /* Use MFT id to control fan */
.pgood_gpio = -1,
.enable_gpio = -1,
};
const struct fan_rpm fan_rpm_0 = {
.rpm_min = 3100,
.rpm_start = 3100,
.rpm_max = 6900,
};
const struct fan_t fans[] = {
[FAN_CH_0] = {
.conf = &fan_conf_0,
.rpm = &fan_rpm_0,
},
};
BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT);
const static struct ec_thermal_config thermal_thermistor = {
.temp_host = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(75),
[EC_TEMP_THRESH_HALT] = C_TO_K(80),
},
.temp_host_release = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(65),
},
.temp_fan_off = C_TO_K(25),
.temp_fan_max = C_TO_K(50),
};
const static struct ec_thermal_config thermal_cpu = {
.temp_host = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(85),
[EC_TEMP_THRESH_HALT] = C_TO_K(95),
},
.temp_host_release = {
[EC_TEMP_THRESH_HIGH] = C_TO_K(65),
},
.temp_fan_off = C_TO_K(25),
.temp_fan_max = C_TO_K(50),
};
struct ec_thermal_config thermal_params[TEMP_SENSOR_COUNT];
static void setup_fans(void)
{
thermal_params[TEMP_SENSOR_CHARGER] = thermal_thermistor;
thermal_params[TEMP_SENSOR_SOC] = thermal_thermistor;
thermal_params[TEMP_SENSOR_CPU] = thermal_cpu;
}
DECLARE_HOOK(HOOK_INIT, setup_fans, HOOK_PRIO_DEFAULT);
/*****************************************************************************
* MST hub
*/
static void mst_hpd_handler(void)
{
int hpd = 0;
/* Pass HPD through from DB OPT3 MST hub to AP's DP1. */
ioex_get_level(IOEX_MST_HPD_OUT, &hpd);
gpio_set_level(GPIO_DP1_HPD, hpd);
ccprints("MST HPD %d", hpd);
}
DECLARE_DEFERRED(mst_hpd_handler);
void mst_hpd_interrupt(enum ioex_signal signal)
{
/* Debounce for 2 msec. */
hook_call_deferred(&mst_hpd_handler_data, (2 * MSEC));
}
/*****************************************************************************
* Custom Zork USB-C1 Retimer/MUX driver
*/
/*
* PS8802 set mux board tuning.
* Adds in board specific gain and DP lane count configuration
*/
static int board_ps8802_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
int rv = EC_SUCCESS;
/* Make sure the PS8802 is awake */
rv = ps8802_i2c_wake(me);
if (rv)
return rv;
/* USB specific config */
if (mux_state & USB_PD_MUX_USB_ENABLED) {
/* Boost the USB gain */
rv = ps8802_i2c_field_update16(me,
PS8802_REG_PAGE2,
PS8802_REG2_USB_SSEQ_LEVEL,
PS8802_USBEQ_LEVEL_UP_MASK,
PS8802_USBEQ_LEVEL_UP_19DB);
if (rv)
return rv;
}
/* DP specific config */
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Boost the DP gain */
rv = ps8802_i2c_field_update8(me,
PS8802_REG_PAGE2,
PS8802_REG2_DPEQ_LEVEL,
PS8802_DPEQ_LEVEL_UP_MASK,
PS8802_DPEQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return rv;
}
/*
* PS8818 set mux board tuning.
* Adds in board specific gain and DP lane count configuration
*/
static int board_ps8818_mux_set(const struct usb_mux *me,
mux_state_t mux_state)
{
int rv = EC_SUCCESS;
/* USB specific config */
if (mux_state & USB_PD_MUX_USB_ENABLED) {
/* Boost the USB gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_10G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX1EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_APTX2EQ_5G_LEVEL,
PS8818_EQ_LEVEL_UP_MASK,
PS8818_EQ_LEVEL_UP_19DB);
if (rv)
return rv;
}
/* DP specific config */
if (mux_state & USB_PD_MUX_DP_ENABLED) {
/* Boost the DP gain */
rv = ps8818_i2c_field_update8(me,
PS8818_REG_PAGE1,
PS8818_REG1_DPEQ_LEVEL,
PS8818_DPEQ_LEVEL_UP_MASK,
PS8818_DPEQ_LEVEL_UP_19DB);
if (rv)
return rv;
/* Enable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
} else {
/* Disable IN_HPD on the DB */
ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
}
return rv;
}
const struct pi3dpx1207_usb_control pi3dpx1207_controls[] = {
[USBC_PORT_C0] = {
#ifdef VARIANT_ZORK_TREMBYLE
.enable_gpio = IOEX_USB_C0_DATA_EN,
.dp_enable_gpio = GPIO_USB_C0_IN_HPD,
#endif
},
[USBC_PORT_C1] = {
},
};
BUILD_ASSERT(ARRAY_SIZE(pi3dpx1207_controls) == USBC_PORT_COUNT);
const struct usb_mux usbc0_pi3dpx1207_usb_retimer = {
.usb_port = USBC_PORT_C0,
.i2c_port = I2C_PORT_TCPC0,
.i2c_addr_flags = PI3DPX1207_I2C_ADDR_FLAGS,
.driver = &pi3dpx1207_usb_retimer,
};
const struct usb_mux usbc1_ps8802 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8802_I2C_ADDR_FLAGS,
.driver = &ps8802_usb_mux_driver,
.board_set = &board_ps8802_mux_set,
};
const struct usb_mux usbc1_ps8818 = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_TCPC1,
.i2c_addr_flags = PS8818_I2C_ADDR_FLAGS,
.driver = &ps8818_usb_retimer_driver,
.board_set = &board_ps8818_mux_set,
};
struct usb_mux usbc1_amd_fp5_usb_mux = {
.usb_port = USBC_PORT_C1,
.i2c_port = I2C_PORT_USB_AP_MUX,
.i2c_addr_flags = AMD_FP5_MUX_I2C_ADDR_FLAGS,
.driver = &amd_fp5_usb_mux_driver,
};
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